<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="test.css">
</head>
<body>
    <div id="my-slider" class="slider-list">
        <ul>
          <li class="slider-list__item--selected">
            <img src="https://p5.ssl.qhimg.com/t0119c74624763dd070.png"/>
          </li>
          <li class="slider-list__item">
            <img src="https://p4.ssl.qhimg.com/t01adbe3351db853eb3.jpg"/>
          </li>
          <li class="slider-list__item">
            <img src="https://p2.ssl.qhimg.com/t01645cd5ba0c3b60cb.jpg"/>
          </li>
          <li class="slider-list__item">
            <img src="https://p4.ssl.qhimg.com/t01331ac159b58f5478.jpg"/>
          </li>
        </ul>
        <a class="slide-list__next"></a>
        <a class="slide-list__previous"></a>
        <div class="slide-list__control">
       <!-- //4个小圆点 -->
          <span class="slide-list__control-buttons--selected"></span>
          <span class="slide-list__control-buttons"></span>
          <span class="slide-list__control-buttons"></span>
          <span class="slide-list__control-buttons"></span>
        </div>
      </div>
      
      <script src="test.js" type="text/javascript"></script>
</body>
</html>